Home / 13,224.15-18,252.39-8,500.23

Finding the Fourth Proportional to 13,224.15, 18,252.39 and 8,500.23

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Solution

The fourth proportional to 13,224.15, 18,252.39 and 8,500.23 is: 11,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.15 : 18,252.39 = 8,500.23 : x
  2. Step 2: Convert to fraction form
    13,224.15/18,252.39 = 8,500.23/x
  3. Step 3: Cross multiply
    13,224.15x = 18,252.39 × 8,500.23
  4. Step 4: Simplify right side
    13,224.15x = 155,149,513.05
  5. Step 5: Solve for x
    x = 155,149,513.05/13,224.15
  6. Step 6: Final answer
    x = 11,732.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.